<?php
/**
 * User: lie
 * Date: 2020-11-09 21:35
 * description:
 */
    for ($a = 0; $a < 10; $a++){
        if ($a <= 5){
            $rand .= dechex(rand(0, 15));
        } else {
            continue;
        }
    }
    ?>
<table border="1" bgcolor="<?php echo  $rand; ?>" height="55px">
    <tr>
        <td width="156px"></td>
    </tr>
</table>
